www.zenztech.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:45:fd:1f:b3:7a:b2:94:61:52:28:cb:4f:97:0c:fe:5c:c9 was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.zenztech.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:45:fd:1f:b3:7a:b2:94:61:52:28:cb:4f:97:0c:fe:5c:c9
Serial Number (int): 285152800397234114807089572895440070663369
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1b:cf:05:c7:df:32:b9:81:bb:3e:a0:91:0b:ad:18:d3:c1:25:c0:90
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 89:4a:5e:37:20:2b:df:b5:1a:1c:32:37:9a:df:77:03:ad:7e:22:e5
Fingerprint (sha256): 69:10:44:ff:a3:a9:2f:b7:5b:d8:31:4b:7d:22:2f:94:25:ca:76:01:d4:d7:b9:50:4a:b2:71:8f:8d:7a:5b:d8

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.zenztech.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.zenztech.com

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.zenztech.com

Other certificates including the domain name zenztech.com

(limited to 100 certificates)
remoteapp.zenztech.com
www.thevnomad.com
tmapuam.com
get.billy.inout.money
zenztech.com
app.superdense.com
petersappliance.com
www.cv.nu
transavia.zenztech.com
www.zenztech.com
www.zenztech.com
www.doctor-ai.chat
angelloor.dev
skillsfinderapp.com
appprod.incendi.io
zodiac.zenztech.com
www.jasonwang.dev
ofira.host
ucademio.com
zenztech.com
auth.supertalent.io
graba.beer
www.nearestschool.com
adamsstate.co
www.zenztech.com
me.memeal.ai
zenztech.com
zenztech.com
www.artwins.app
zenztech.com
tmapuam.com
web.tiss.app
phillipichurchofchrist.com
*.zenztech.com
www.canfund.io
www.zenztech.com
uren.zenztech.com
rsvp.bransonlim.com
raywess.pjaguar.com
www.longpham.ca
*.zenztech.com
www.egamebook.com
zenztech.com
zenztech.com
www.zenztech.com
zenztech.com
zodiac.zenztech.com
www.zenztech.com
arkoinad.com
*.zenztech.com
zenztech.com
www.inkfinitec.com
*.zenztech.com
*.zenztech.com
www.lockn.in
*.zenztech.com
vps.zenztech.com
www.samatva.club
transavia.zenztech.com
zenztech.com
demo.kesselring.nl
mijn.v1.klikkie.be
www.longpham.ca
zenztech.com
claudinasballet.com
cryptoport.biz
remoteapp.zenztech.com
www.zenztech.com
www.zenztech.com
batman.rocola.es
contabilizoaqui.com.br
www.referro.co
zenztech.com
portal.squad.ai
*.zenztech.com
viz.photos.r42.ca
ucademio.com
zenztech.com
*.zenztech.com
*.zenztech.com
zenztech.com
union-bauzentrum-roehlinger.de

Certificate

The complete raw certificate details for www.zenztech.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoYf9PgttqWz5XajYev5b
Wl99gF5WMn4WwAnBOlEptOmcB7E0/Y4M+HyMrrNdu7OyQnTGCDSH6DwiVILvmEne
v183flVbFzFPK+ENfD6SybwjKqaE3VsvkUfiyyv03FH65Qz9z/JJviGqSCMP0sEO
3DDR2kmYIzeLI8xMyPiBDcqfgxcdewvtotarTy1z2o97UtTqTrP63iMMm8xcsCf9
BNmb6NCheq9wcTRTUHC5VKLueMrQNa4eO+41+Vj/+k2kYv4wMkhTcJgMnaK58mUU
BCB+ncWrvxtMJY8PcAS2E0hZoImQpZS2l08K2znvwNbMEqjkBbNr6mPY3BZB0dW7
YQIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 285152800397234114807089572895440070663369
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-14 09:08:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-12 09:08:58 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.zenztech.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20391425887165697910296836762836583088686565179958552367139752205917557817538538092986078396791067836788870547406665276277898724724670193809693665422887483663601699728571331701096754223780329624714413413658374706297491513227707012200629427826072472836067470119293954286902486726542997396265629206500870820004898785060170311179714417017920307627196018511778485706247623415966822884789040618880898471240704646911080858238031817456269325507265801189482172347166637152340686667837188028998698714596177199657960646973367786733242355775330035566623672503315421394043664046385784649712109935635863819874721057807710337481569
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							1bcf05c7df32b981bb3ea0910bad18d3c125c090
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zenztech.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b557632e000000403004730450220020f885000408ff28d85729098ecca69fd58c5461796473e3c291ec48c92feb302210082c2df3697030091b524fcb17f050cf306fa704761a2dd8988348ce00f1f7fd0007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b557632ce0000040300483046022100d4af7cdf247b8b8ff06fe3b6857b79e0bece7bab4415ab6d417713eb6d671151022100cf0eebadaa243ef363e73fe38d75a7e7be93bf4fec5ba1ac46800d7b99297d93
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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